<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
     
    <style>
        td{border:solid black 2px;text-align: center;}
    </style>
   
</head>
<body>
    
    <div id="myBtn">按钮</div>
   <script src="./Js文件/index.12.22.js"></script>
</body>
</html>